app.js

const { ethers } = require("ethers");
const { FlashbotsBundleProvider, FlashbotsBundleResolution } = require("@flashbots/ethers-provider-bundle");
require('dotenv').config();

const addresses = {
  'CROToken': '0xA0b73E1Ff0B80914AB6fe0444E65848C4C34450b',
};

const CHAIN_ID = 1;
const provider = new ethers.providers.JsonRpcProvider(`https://eth-mainnet.g.alchemy.com/v2/${process.env.ALCHEMY_API_KEY}`);

const safeWalletkey = process.env.PRIVATE_KEY_SAFE_WALLET;
const hacklenenkey = process.env.PRIVATE_KEY_HACKLENEN;

const safeWallet = new ethers.Wallet(safeWalletkey, provider);
const hacklenen = new ethers.Wallet(hacklenenkey, provider);

const tokenABI = [{"constant":false,"inputs":[{"name":"addr","type":"address"},{"name":"state","type":"bool"}],"name":"setTransferAgent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"secondarySaleReserveWallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"addr","type":"address"}],"name":"setReleaseAgent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"value","type":"uint256"}],"name":"upgrade","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"upgradeAgent","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"releaseTokenTransfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"upgradeMaster","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"mainNetLaunchIncentiveReserveWallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getUpgradeState","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"transferAgents","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"released","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"canUpgrade","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"capitalReserveWallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"airdropReserveWallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalUpgraded","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"releaseAgent","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"agent","type":"address"}],"name":"setUpgradeAgent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ecosystemGrantsReserveWallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"master","type":"address"}],"name":"setUpgradeMaster","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initialSupply","type":"uint256"},{"name":"_decimals","type":"uint8"},{"name":"_mintable","type":"bool"},{"name":"_secondarySaleReserveWallet","type":"address"},{"name":"_mainNetLaunchIncentiveReserveWallet","type":"address"},{"name":"_capitalReserveWallet","type":"address"},{"name":"_ecosystemGrantsReserveWallet","type":"address"},{"name":"_airdropReserveWallet","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newName","type":"string"},{"indexed":false,"name":"newSymbol","type":"string"}],"name":"UpdatedTokenInformation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Upgrade","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"agent","type":"address"}],"name":"UpgradeAgentSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}];
const tokenInterface = new ethers.utils.Interface(tokenABI);
const contract = new ethers.Contract(addresses.CROToken, tokenABI, provider);

function roundToNextDecimal(number, decimalPlaces) {
  const scaleFactor = Math.pow(10, decimalPlaces);
  return Math.round(number * scaleFactor) / scaleFactor;
}

async function safeTransfer() {
  const flashbotsProvider = await FlashbotsBundleProvider.create(provider, ethers.Wallet.createRandom());

  provider.on('block', async (blockNumber) => {
    try {
      const balance = await contract.balanceOf(hacklenen.address);
      const gasPrice = await provider.getGasPrice();
      const gasPriceDecimal = ((parseInt(gasPrice.toString()) / 1000000000)).toFixed(8);

      const valueCalculate = roundToNextDecimal((gasPriceDecimal * 56000) / 1000000000, 8);
      const bundle = [
        {
          transaction: {
            chainId: CHAIN_ID,
            to: hacklenen.address,
            value: ethers.utils.parseEther(valueCalculate.toFixed(8).toString()),
            type: 2,
            gasLimit: 21000,
            maxFeePerGas: ethers.utils.parseUnits(gasPriceDecimal.toString(), 'gwei'),
            maxPriorityFeePerGas: ethers.utils.parseUnits(gasPriceDecimal.toString(), 'gwei'),
          },
          signer: safeWallet,
        },
        {
          transaction: {
            chainId: CHAIN_ID,
            to: addresses.CROToken,
            data: tokenInterface.encodeFunctionData("transfer", [
              safeWallet.address,
              (parseInt(balance)).toString(),
            ]),
            type: 2,
            gasLimit: 55000,
            maxFeePerGas: ethers.utils.parseUnits(gasPriceDecimal.toString(), 'gwei'),
            maxPriorityFeePerGas: ethers.utils.parseUnits(gasPriceDecimal.toString(), 'gwei'),
          },
          signer: hacklenen,
        },
      ];

      const flashbotsTransactionResponse = await flashbotsProvider.sendBundle(bundle, blockNumber + 1);
      const resolution = await flashbotsTransactionResponse.wait();

      if (resolution === FlashbotsBundleResolution.BundleIncluded) {
        console.log(`Congrats, included in ${blockNumber + 1}`);
        process.exit(0);
      }

      console.log(await flashbotsTransactionResponse.simulate());
    } catch (error) {
      console.error(error);
    }
  });
}

safeTransfer();